Osseous remains of medium‐sized Caprinae and Antilopinae are often found in late Quaternary archaeological sites in the northeast Tibetan Plateau and adjacent areas, but their accurate taxonomic identification poses considerable problems to zooarchaeologists. Building on previous osteomorphological studies and a statistically significant number of modern comparatives, this study presents diagnostic morphological features and metric data of selected skeletal elements, enabling taxonomic classification of six medium‐sized wild bovid genera widely distributed across the region, that is, Blue sheep (Pseudois nayaur), Argali (Ovis ammon), Serow (Capricornis sp.), Goral (Naemorhedus sp.) and two genera of Antilopinae (Gazella, Procapra), as well as domestic sheep (O. aries) and goats (Capra hircus). A blind test showed that using these anatomical criteria on modern specimens allowed separating unequivocally all taxa in the case of the distal humerus, but a lesser degree of confidence in the case of the distal metapodials. Applying these criteria to archaeological specimens from the prehistoric northeast Tibetan Plateau, we conclude that distal humeri can be confidently assigned taxonomically by applying a stepwise approach, whereas in distal metacarpals and metatarsals, the probabilistic approach is proving more promising for classifying specimens correctly.

In this paper, we apply standard zooarchaeological methods and novel osteological approaches to analyse faunal remains from five Middle–Late Holocene sites in the southern Tibetan Plateau (STP). Framed by direct radiocarbon dates on taxonomically classified bioarchaeological remains and compared with published palaeoclimate data, our findings revealed a three-stage process of agro-pastoral development in the STP ca. 5.5 to 1.0 ka. In the first phase, habitation was restricted to the lower southeastern part of the plateau and human subsistence essentially based on foraging and low-level pig–millet farming. With the onset of colder and drier climatic conditions ca. 3.8 ka, the study area witnessed a growing human presence at higher elevations in its central and western parts, together with a shift towards bovid husbandry and barley cultivation, that is, agricultural practices that originated in west Asia; these were likely introduced to the STP following the eastern margin of the TP and/or arrived by sub-Himalayan transfer. Climate and ecological degradation might have contributed to the decline of local game in favour of cold-and-dry-tolerant pastoral livestock and crops. Our work shows that Middle–Late Holocene climate change, ecological change, human subsistence shifts, and prehistoric cultural transmissions are intimately connected.